Vlog #012 files

num2.py

M = [13023, 201527, 4294967291]
N = [
    21179556,5337795,18437072,
    11383457,16076557,13286032,
    37655692,471675,21030418,
    33533337,9666873,6884524,111490,
    18371648
]

mm = ""
nn = ""
kk = ""
for n in N:
  res = (n * M[0] + M[1])
  print " "
  res1 = res % (M[2])
  res2 = res / M[2]
  print "res=%15i %10x, res2=%3i %2x, res1=%15i %10x" % (res, res, res2, res2, res1, res1),

  res = res1

  a = hex(res)
  if a.startswith('-'):
    a = a[1:]
  a = a[2:]
  if a.endswith('L'):
    a = a[:-1]
  while len(a) % 2 != 0:
    a = '0' + a

  res3 = (res * M[0] + M[1]) % M[2]
  res4 = (res3 * M[0] + M[1]) % M[2]

  nn += chr(res & 0xff) + chr(res3 & 0xff) + chr(res4 & 0xff)
  mm += a
  #print a,
  kk += str(res) + " "
print "\n"
#print kk
print nn
#print mm.decode("hex") 

numbers.py

M = [13023, 201527, 4294967291]
N = [
    21179556,5337795,18437072,
    11383457,16076557,13286032,
    37655692,471675,21030418,
    33533337,9666873,6884524,111490,
    18371648
]

for m in M:
  print m, len(bin(m))-2, hex(m)

print

for n in N:
  print n, len(bin(n))-2, hex(n)

ops = [
    lambda x, y: x + y,  # 0
    lambda x, y: x - y,  # 1
    lambda x, y: x ^ y,  # 2
    lambda x, y: x & y,  # 3
    lambda x, y: x / y,  # 4
    lambda x, y: x % y,  # 5
    lambda x, y: x * y,  # 6
    lambda x, y: x,      # 7
    lambda x, y: y,      # 8
]

for i, o in enumerate(ops):
  for j, p in enumerate(ops):
    for k, r in enumerate(ops):
      print i, j, k, "-" * 70
      mm = ""
      nn = ""
      kk = ""
      for n in N:
        res = r(p(o(n, M[0]), M[1]), M[2])

        a = hex(res)
        if a.startswith('-'):
          a = a[1:]
        a = a[2:]
        if a.endswith('L'):
          a = a[:-1]
        while len(a) % 2 != 0:
          a = '0' + a

        nn += chr(res & 0xff)
        mm += a
        #print a,
        kk += str(res) + " "
      print ""
      #print kk
      print nn
      #print mm.decode("hex")